Charge your car with your phone:Well, not exactly, but a new app developed by IBM and Swiss utility EKZ allows for better management of when your electric vehicle is charged and what sources of energy are used to charge it. Find out more in the video above. (via @greeneconpost)

The grain silo hotel:While not as green as it could be (because the structures used were built for the project), Silo Stay, a nine-unit New Zealand hotel built from grain silos…